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Navigation.kt: Remembered shouldShow for Navigator.composable (might be unnoticeable performance improvement).

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This commit is contained in:
acclorite 2024-06-20 14:00:02 +03:00
parent 6f985274bf
commit 99de280c56
1 changed files with 10 additions and 5 deletions
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15
app/src/main/java/ua/acclorite/book_story/presentation/data/Navigation.kt
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@ -269,11 +269,16 @@ class Navigator @AssistedInject constructor(
backExitAnim: ExitTransition = Transitions.BackSlidingTransitionOut,
noinline content: @Composable (screen: S) -> Unit
) {
val currentRoute by currentScreen.collectAsState()
val currentRoute = currentScreen.collectAsState()
val useBackAnimation by useBackAnimation.collectAsState()
val shouldShow by remember {
derivedStateOf {
currentRoute.value == getRoute<S>()
}
}
CustomAnimatedVisibility(
visible = currentRoute == getRoute<S>(),
visible = shouldShow,
enter = if (!useBackAnimation) enterAnim else backEnterAnim,
exit = if (!useBackAnimation) exitAnim else backExitAnim
) {
@ -309,11 +314,11 @@ class Navigator @AssistedInject constructor(
content: @Composable () -> Unit
) {
val activity = LocalContext.current as ComponentActivity
val currentScreen by currentScreen.collectAsState()
val currentScreen = currentScreen.collectAsState()
val useBackAnimation by useBackAnimation.collectAsState()
val shouldShow by remember(currentScreen) {
val shouldShow by remember {
derivedStateOf {
screens.any { it == currentScreen }
screens.any { it == currentScreen.value }
}
}